Averaging methods for finding periodic orbits via Brouwer degree A Buică, J Llibre Bulletin des sciences mathematiques 128 (1), 7-22, 2004 | 408 | 2004 |
Periodic solutions of nonlinear periodic differential systems with a small parameter A Buica, JP Françoise, J Llibre Communications on Pure and Applied Analysis 6 (1), 103, 2007 | 193 | 2007 |
Limit cycles of a perturbed cubic polynomial differential center A Buică, J Llibre Chaos, Solitons & Fractals 32 (3), 1059-1069, 2007 | 60 | 2007 |
Existence and continuous dependence of solutions of some functional-differential equations A Buica Seminar on Fixed Point Theory 3 (1), 1-14, 1995 | 52 | 1995 |
Asymptotic stability of periodic solutions for nonsmooth differential equations with application to the nonsmooth van der Pol oscillator A Buică, J Llibre, O Makarenkov SIAM Journal on Mathematical Analysis 40 (6), 2478-2495, 2009 | 46 | 2009 |
Existence of inverse Jacobi multipliers around Hopf points in R3: emphasis on the center problem A Buică, IA García, S Maza Journal of Differential Equations 252 (12), 6324-6336, 2012 | 44 | 2012 |
The third order Melnikov function of a quadratic center under quadratic perturbations A Buica, A Gasull, J Yang Journal of mathematical analysis and applications 331 (1), 443-454, 2007 | 35 | 2007 |
Principii de coincidenta si aplicatii A Buica Presa Universitara Clujeana, 2001 | 30* | 2001 |
A second order analysis of the periodic solutions for nonlinear periodic differential systems with a small parameter A Buică, J Giné, J Llibre Physica D: Nonlinear Phenomena 241 (5), 528-533, 2012 | 24 | 2012 |
Multiple Hopf bifurcation in R3 and inverse Jacobi multipliers A Buică, IA García, S Maza Journal of Differential Equations 256 (1), 310-325, 2014 | 23 | 2014 |
Bifurcation of limit cycles from a polynomial degenerate center A Buică, J Giné, J Llibre Advanced Nonlinear Studies 10 (3), 597-609, 2010 | 23 | 2010 |
Bifurcation of limit cycles from a four-dimensional center in control systems A Buică, J Llibre International Journal of Bifurcation and Chaos 15 (08), 2653-2662, 2005 | 23 | 2005 |
On the equivalence of the Melnikov functions method and the averaging method A Buica Qualitative theory of dynamical systems 16, 547-560, 2017 | 19 | 2017 |
Bifurcations from nondegenerate families of periodic solutions in Lipschitz systems A Buică, J Llibre, O Makarenkov Journal of Differential Equations 252 (6), 3899-3919, 2012 | 19 | 2012 |
Nearness, accretivity, and the solvability of nonlinear equations A Buica, A Domokos Numerical Functional Analysis and Optimization 23 (5-6), 477-493, 2002 | 14 | 2002 |
Periodic solutions of the perturbed symmetric Euler top A Buică, IA García | 10 | 2010 |
Periodic solutions for nonlinear differential systems: the second order bifurcation function A Buică, J Giné, J Llibre | 9 | 2014 |
On Yu. A. Mitropol’skii’s theorem on periodic solutions of systems of nonlinear differential equations with nondifferentiable right-hand sides A Buică, J Llibre, OY Makarenkov Doklady Mathematics 78, 525-527, 2008 | 9 | 2008 |
Quasilinearization method for nonlinear elliptic boundary-value problems A Buică Journal of optimization theory and applications 124, 323-338, 2005 | 9 | 2005 |
Persistence of equilibria as periodic solutions of forced systems A Buică, R Ortega Journal of Differential Equations 252 (3), 2210-2221, 2012 | 8 | 2012 |